130302515 has 12 divisors (see below), whose sum is σ = 181892016. Its totient is φ = 89350128.

The previous prime is 130302499. The next prime is 130302541. The reversal of 130302515 is 515203031.

It is not a de Polignac number, because 130302515 - 2⁴ = 130302499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265679 + ... + 266168.

It is an arithmetic number, because the mean of its divisors is an integer number (15157668).

Almost surely, 2^130302515 is an apocalyptic number.

130302515 is a deficient number, since it is larger than the sum of its proper divisors (51589501).

130302515 is an equidigital number, since it uses as much as digits as its factorization.

130302515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531866 (or 531859 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 130302515 is about 11415.0127025773. The cubic root of 130302515 is about 506.9723409887.

Adding to 130302515 its reverse (515203031), we get a palindrome (645505546).

The spelling of 130302515 in words is "one hundred thirty million, three hundred two thousand, five hundred fifteen".